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November 22, 2014

Homework Help: AP Physics

Posted by jeff on Saturday, February 26, 2011 at 9:48pm.

A student weighing 700 N climbs at constant
speed to the top of an 8 m vertical rope in 10
s.
The average power expended by the student
to overcome gravity is most nearly
1. P = 560 W.
2. P = 87.5 W.
3. P = 5, 600 W.
4. P = 1.1 W.
5. P = 875 W.

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